Holykell Industrial Design 7/16-20 Unf Refrigeration Pressure Transmitter
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Product Highlights
- Long-Term Stability: Above 5 years stability with 18-month warranty and lifetime maintenance support.
- Customizable Specifications: Pressure range, output signal, and connection port are fully customizable to fit specific needs.
- High-Quality Sensor Material: Features German imported flush ceramic sensors with 98% Al2O3 for superior corrosion resistance.
- Wide Refrigerant Compatibility: Compatible with R12, R22, R123, R134a, and ammonia using NOK Brand O-ring seals.
- Comprehensive Certifications: Certified by CE, FCC, RoHS, SGS, ISO9001:2015, and ATEX for global safety standards.
- Fast Delivery Options: Standard specs ship within 24 hours; customized orders delivered in 7-12 days.
- Robust Protection Features: Includes over-voltage, reverse polarity, short-circuit protection, and EMI/RFI rejection.
Product Attributes
- Customization
- Available
- Type
- Ceramic Pressure Sensor
- For
- Ceramic Pressure Transmitter
- Model NO.
- HPT300-C
- Output Signal Type
- Analog Type
- Material
- Stainless Steel
- Measuring Medium
- Steam Gas Liquid
- Certification
- Ce FCC RoHS SGS ISO
- Customized
- Customized
- Pressure Range
- -1-0~1 Bar...200 Bar Optional
- Output Signal
- 4~20mA,0~5V/0~10V/0.5~4.5V Optional
- Electronic Connection
- Packard 3 Pin Connector;Smaller Hirschman
- Pressure Connect Port
- 7/16-20unf; 1/4"NPT or by Customized
- Accuracy
- 0.5%F.S, 1%F.S
- Power Supply
- 12~36VDC/5V Power Supply
- Pressure Type
- Gage Negative
- Application
- Refrigeration, Air-Conditioning and HVAC Systems
- Certificate
- Ce, International ISO9001,RoHS,SGS
- Warranty
- 18 Months
- Transport Package
- Standard Export Packing
- Trademark
- Holykell
- Origin
- Hunan, China (Mainland)
- Production Capacity
- 5000 PCS / Month
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Product Description
Holykell Industrial Design 7/16-20 Unf Refrigeration Pressure Transmitter

HPT300-C ceramic low pressure sensor with integrated German imported Flush Ceramic sensors for manufacturing, which is special designed with highest quality standards. its excellent resistance to the main refrigerants filed, it is with economic price and ideal low temp performance for use in refrigeration, air-conditioning and HVAC systems.

Saving Money
Holykell pressure sensor have above five years quality assurance . If 10pcs used for your HVAC System.A long stability (above 5 years) Pressure sensor used in HVAC system can saved $580.
Benefit from Holykell HPT300-C Ceramic Low Pressure Sensor?
|
Feature |
Advantage |
Benefit |
|
Compact ,Rugged and Small SS body |
Designed to integrate with a variety of industrial and OEM application |
Great cost,Universal type |
|
Germany Piezo-resistive ceramic cell |
High-quality Al2O3 (98%)Resists corrosion and water |
Reliable and longlasting in harsh application |
|
Circuit three-antigum process |
circuit anti-static,moisturproof,anti-corrosion |
|
|
NOK Brand O-ring Seal |
0 leakage use with all typical refrigerants including R12, R22, R123, R134a and ammonia |
Safty,avoid safety accidents |
|
Long time working at low temperate -35°C |
Long - term resistance to ultra-low temperature conditions |
|
|
Water hammer |
shock-proof,Avoid instant overpressure damage |
Stability,keep sensor running longer by reducing downtime and maintenance costs |
|
EMI/RFI |
interfere with the operation of other electrical products in the environment. |
Precision Measurment |
|
full-surface passivation of the sensor's surface |
NOK Brand NOK O-ring seal material for use with all typical refrigerants including R12, R22, R123, R134a and ammonia |
Resistance to humidity and condensation |
a.Low cost
b.SAE female Process Connection with built-in Schrader Deflator
c.Linear Amplified Output
d.Temperature Compensated ,Long time working at low temperate -40°C
e.Superior Long term Stability
f.Excellent Repeat ability/Hysteresis
g.EMI/RFI Rejection
h.Low power consumption
i.Ten million cycle life expectancy
J.Outstanding shock& vibration performance
k.Over voltage ,Reverse Polarity and short circuit protection
Application :
Refrigeration equipment
Centrifugal compressor
Screw-type, reciprocating and turbo compressors
Air-conditioner production line testing
HVAC Systems

OEM / ODM services
To meet the user diversified requirement, Holykell have established a set of customer service and technical support system with OEM / ODM order as the center, and responded and Handle the customer's requirements in a timely manner to ensure accurate delivery time and product quality.
Order services
Fastest reply:Professional sales engineers 7/24 online services
Payment terms:T/T ,Western union, Paypal, Credit Card, L/C others
Fast delivery: within 24 hours release the cargo (normal spec.), Customized 7-12 days after payment .
MAINTENANCE & AFTER-SALES SERVICES
Customer Feedback: Sales engineers and technical engineers will be one-on-one service for you to exclude all obstacles when use our sensors.
Warranty period: 18 months
Product life-long maintenance: Holykell can provide you with the maintenance of the whole life of the sensors
Why Choose and trust HOLYKELL ?
You benefits from:
Factory Experience :
More than 18 years of experience in Level sensor industry.
large stock :
within 24 hours delivery for standard specifications.
Supply Ability :
At least 50000 pcs per Month.
Supply Area :
All over the world, about 109 countries (Most of them are from North America, Europe, Australia,Asia and Africa
Certificate :
CE, ROSH, ATEX Audited by TÜV Rheinland and ECM,FCC

Holykell Technology Co. , Ltd is a high-tech company integrating R&D, production and distribution. The company has a purification plant of 5000m2, an annual output of 1 million production line of pressure sensor, transmitter and intelligent digital instrumentation.
Now the company has more than 120,000 customers worldwide, the products have been exported to Europe, America, Australia, Africa, southeast Asia, 109 countries.
Holykell can provide a cost effective solution for pressure monitoring for a variety of applications. Welcome to your inquiry.
Certifications
HPT300-C pressure sensor have obtained the European Union ATEX, TUV, Rosh certification, And Holykell has passed ISO9001:2015 international quality management system to certify that its mature and advanced technology can protect your project.
How to place an order
In order to recommend you the most suitable pressure transmitter and make an accurate quotation, please fill in the following form and send it to me , thanks
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Requirements |
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NO |
Technical Parameters |
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1 |
Pressure range |
50Bar |
|
2 |
Output signal |
4-20mA |
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3 |
Cable length |
1m |
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4 |
Quantity |
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Your other requirements will be welcome |
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About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR249649". Items marked "" are certified.
Company Profile
Founded in 2001, Holykell is a High-Tech Enterprise integrating R&D, production and sales. The company have gathered a number of excellent domestic technical experts in various fields such as automation, electronics, machinery and computer. More than 80% of HOLYKELL employees have bachelor's degree. At present, HOLYKELL has more than 120, 000 customers worldwide and it's products are exported to 109 countries in Europe, America, Australia, Africa, SouthEast and Asia. In the latest petrochemical industry, our newest products have the advantages
Of small size, temperature changes resistance, high stability and reliability. HOLYKELL has a number of national patents. The purification workshop covers 5000 square meters with one automatic production line and two semi-automatic production lines and 1000 modern office. The annual production capacity is one million sensors. Our products have passed the ATEX, TUV CE, RoHS and FCC certification of the European Union and North American, The factory have been passed ISO9001: 2015 international quality management system certification. Our mature and advanced production processes and technologies can guarantee the safe, stable and long-life time operation on your project.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 100 Luyun Road, Lugu, Yuelu District, Changsha, Hunan, China
-
Plant Area
- 490.8 square meters
-
Number of Employees
- 44
-
Registered Capital
- 10,100,000 RMB
-
Terms of Payment
- LC, T/T, PayPal, Western Union, Small-amount payment, D/P
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port.Shenzhen Port.Guangzhou Port.
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
-
Main Products
- Level Sensor, Flow Meter, Pressure Sensor, Wireless sensors, Temperature sensors
-
Production Lines
- 4
-
Production Machines
- Laser Printing machine, Winding machine, Laser Welding Machine, Electrified high-temperature aging equipment, Constant temperature and humidity detection box, Ultrasonic testing equipment
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 8 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2011-01-10
-
Export Year
- 13 Years
-
Main Markets
- North America, Europe, Southeast Asia/ Mideast
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 21
-
Overseas Agent/Branch
- Yes
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE, FCC
-
Cooperated with Fortune 500
- Yes
FAQ
- How do I place an order?
- Please fill in the form with technical parameters including pressure range, output signal, cable length, quantity, and any other requirements, then send it to us for a quotation.
- What is the warranty period?
- We provide an 18-month warranty period with lifetime maintenance support available.
- Is the product customizable?
- Yes, we offer full customization including pressure range, output signal, and pressure connect port options.
- What is the delivery time for standard specifications?
- We offer fast delivery for standard specifications, releasing cargo within 24 hours.
- What refrigerants is this sensor compatible with?
- The sensor is compatible with typical refrigerants including R12, R22, R123, R134a, and ammonia.
- What certifications does the product have?
- The product holds CE, FCC, RoHS, SGS, ISO9001:2015, and ATEX certifications.
- What is the accuracy of the sensor?
- The sensor offers high accuracy options of 0.5%F.S and 1%F.S.
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